Elastomer dog couplings, short type with clamp hubs (K1891)

· Play-free elastomer coupling clamp with grub screw

· For shaft diameters from 3 to 57 mm

· Torque range: 0.7 - 525 Nm

· Compensation of misalignments (axial, radial, angular)

· Axially attachment, thus very simple installation

Part Number

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Part Number
K1891.07800180404
K1891.07800180405
K1891.07800180406
K1891.07800180505
K1891.07800180506
K1891.07800180606
K1891.07920180404
K1891.07920180405
K1891.07920180406
K1891.07920180505
K1891.07920180506
K1891.07920180606
K1891.07980180404
K1891.07980180405
K1891.07980180406
K1891.07980180505
K1891.07980180506
K1891.07980180606
K1891.09800240404
K1891.09800240606
K1891.09800240608
K1891.09800240609
K1891.09800240808
K1891.09800240809
K1891.09800240909
K1891.09920240404
K1891.09920240606
K1891.09920240608
K1891.09920240609
K1891.09920240808
K1891.09920240809
K1891.09920240909
K1891.09980240404
K1891.09980240606
K1891.09980240608
K1891.09980240609
K1891.09980240808
K1891.09980240809
K1891.09980240909
K1891.12800260404
K1891.12800260606
K1891.12800260608
K1891.12800260610
K1891.12800260808
K1891.12800260810
K1891.12800261010
K1891.12920260404
K1891.12920260606
K1891.12920260608
K1891.12920260610
K1891.12920260808
K1891.12920260810
K1891.12920261010
K1891.12980260404
K1891.12980260606
K1891.12980260608
K1891.12980260610
K1891.12980260808
K1891.12980260810
K1891.12980261010

Standard Unit Price	Minimum order quantity	Standard Shipping Days ?	Tightening torque of screws (Nm)	C (ISO 4029)	D1 (H7) (mm)	D2 (H7) (mm)	D1/D2 min. (mm)	D1/D2 max. (mm)	D4 (mm)	Component colour	Spring stiffness radial (N/mm)	Size	Coupling spider hardness	L=Length (mm)	L1 (mm)	L2 (mm)	L3 (mm)	Moment of inertia (gm²)	max. Torque (Nm)	max. Rotational speed (rpm)	max. Angular offset (°)	max. Shaft offset axial (mm)	max. Shaft offset radial (mm)	Nom. torque (Nm)	R (mm)	Torsional stiffness dynamic (Nm/rad)	Torsional stiffness static (Nm/rad)	Weight (kg)
29.80 €	1	4 Days	0.43	M2	4	4	3	7	14	blue	114	7	80 Shore A	18	5	8	2.5	0.00018	1.4	27000	1.1	+0.6 / -0.3	0.15	0.7	16.6	26	8.6	0.0060
29.80 €	1	4 Days	0.43	M2	4	5	3	7	14	blue	114	7	80 Shore A	18	5	8	2.5	0.00018	1.4	27000	1.1	+0.6 / -0.3	0.15	0.7	16.6	26	8.6	0.0060
29.80 €	1	4 Days	0.43	M2	4	6	3	7	14	blue	114	7	80 Shore A	18	5	8	2.5	0.00018	1.4	27000	1.1	+0.6 / -0.3	0.15	0.7	16.6	26	8.6	0.0060
29.80 €	1	4 Days	0.43	M2	5	5	3	7	14	blue	114	7	80 Shore A	18	5	8	2.5	0.00018	1.4	27000	1.1	+0.6 / -0.3	0.15	0.7	16.6	26	8.6	0.0060
29.80 €	1	4 Days	0.43	M2	5	6	3	7	14	blue	114	7	80 Shore A	18	5	8	2.5	0.00018	1.4	27000	1.1	+0.6 / -0.3	0.15	0.7	16.6	26	8.6	0.0060
29.80 €	1	4 Days	0.43	M2	6	6	3	7	14	blue	114	7	80 Shore A	18	5	8	2.5	0.00018	1.4	27000	1.1	+0.6 / -0.3	0.15	0.7	16.6	26	8.6	0.0060
26.73 €	1	4 Days	0.43	M2	4	4	3	7	14	yellow	219	7	92 Shore A	18	5	8	2.5	0.00018	2.4	27000	1	+0.6 / -0.3	0.1	1.2	16.6	43	14.3	0.0060
26.73 €	1	4 Days	0.43	M2	4	5	3	7	14	yellow	219	7	92 Shore A	18	5	8	2.5	0.00018	2.4	27000	1	+0.6 / -0.3	0.1	1.2	16.6	43	14.3	0.0060
26.73 €	1	4 Days	0.43	M2	4	6	3	7	14	yellow	219	7	92 Shore A	18	5	8	2.5	0.00018	2.4	27000	1	+0.6 / -0.3	0.1	1.2	16.6	43	14.3	0.0060
26.73 €	1	4 Days	0.43	M2	5	5	3	7	14	yellow	219	7	92 Shore A	18	5	8	2.5	0.00018	2.4	27000	1	+0.6 / -0.3	0.1	1.2	16.6	43	14.3	0.0060
26.73 €	1	4 Days	0.43	M2	5	6	3	7	14	yellow	219	7	92 Shore A	18	5	8	2.5	0.00018	2.4	27000	1	+0.6 / -0.3	0.1	1.2	16.6	43	14.3	0.0060
26.73 €	1	4 Days	0.43	M2	6	6	3	7	14	yellow	219	7	92 Shore A	18	5	8	2.5	0.00018	2.4	27000	1	+0.6 / -0.3	0.1	1.2	16.6	43	14.3	0.0060
26.73 €	1	4 Days	0.43	M2	4	4	3	7	14	red	421	7	98 Shore A	18	5	8	2.5	0.00018	4	27000	1	+0.6 / -0.3	0.1	2	16.6	69	22.9	0.0060
26.73 €	1	4 Days	0.43	M2	4	5	3	7	14	red	421	7	98 Shore A	18	5	8	2.5	0.00018	4	27000	1	+0.6 / -0.3	0.1	2	16.6	69	22.9	0.0060
26.73 €	1	4 Days	0.43	M2	4	6	3	7	14	red	421	7	98 Shore A	18	5	8	2.5	0.00018	4	27000	1	+0.6 / -0.3	0.1	2	16.6	69	22.9	0.0060
26.73 €	1	4 Days	0.43	M2	5	5	3	7	14	red	421	7	98 Shore A	18	5	8	2.5	0.00018	4	27000	1	+0.6 / -0.3	0.1	2	16.6	69	22.9	0.0060
26.73 €	1	4 Days	0.43	M2	5	6	3	7	14	red	421	7	98 Shore A	18	5	8	2.5	0.00018	4	27000	1	+0.6 / -0.3	0.1	2	16.6	69	22.9	0.0060
26.73 €	1	4 Days	0.43	M2	6	6	3	7	14	red	421	7	98 Shore A	18	5	8	2.5	0.00018	4	27000	1	+0.6 / -0.3	0.1	2	16.6	69	22.9	0.0060
29.06 €	1	4 Days	0.85	M2.5	4	4	4	11	20	blue	125	9	80 Shore A	24	7	10	3.5	0.00085	3.6	19000	1.1	+0.8 / -0.4	0.2	1.8	21.3	52	17.2	0.0150
29.06 €	1	4 Days	0.85	M2.5	6	6	4	11	20	blue	125	9	80 Shore A	24	7	10	3.5	0.00085	3.6	19000	1.1	+0.8 / -0.4	0.2	1.8	21.3	52	17.2	0.0150
29.06 €	1	4 Days	0.85	M2.5	6	8	4	11	20	blue	125	9	80 Shore A	24	7	10	3.5	0.00085	3.6	19000	1.1	+0.8 / -0.4	0.2	1.8	21.3	52	17.2	0.0150
29.06 €	1	4 Days	0.85	M2.5	6	9	4	11	20	blue	125	9	80 Shore A	24	7	10	3.5	0.00085	3.6	19000	1.1	+0.8 / -0.4	0.2	1.8	21.3	52	17.2	0.0150
29.06 €	1	4 Days	0.85	M2.5	8	8	4	11	20	blue	125	9	80 Shore A	24	7	10	3.5	0.00085	3.6	19000	1.1	+0.8 / -0.4	0.2	1.8	21.3	52	17.2	0.0150
29.06 €	1	4 Days	0.85	M2.5	8	9	4	11	20	blue	125	9	80 Shore A	24	7	10	3.5	0.00085	3.6	19000	1.1	+0.8 / -0.4	0.2	1.8	21.3	52	17.2	0.0150
29.06 €	1	4 Days	0.85	M2.5	9	9	4	11	20	blue	125	9	80 Shore A	24	7	10	3.5	0.00085	3.6	19000	1.1	+0.8 / -0.4	0.2	1.8	21.3	52	17.2	0.0150
28.99 €	1	4 Days	0.85	M2.5	4	4	4	11	20	yellow	292	9	92 Shore A	24	7	10	3.5	0.00085	6	19000	1	+0.8 / -0.4	0.15	3	21.3	95	31.5	0.0150
28.99 €	1	4 Days	0.85	M2.5	6	6	4	11	20	yellow	292	9	92 Shore A	24	7	10	3.5	0.00085	6	19000	1	+0.8 / -0.4	0.15	3	21.3	95	31.5	0.0150
28.99 €	1	4 Days	0.85	M2.5	6	8	4	11	20	yellow	292	9	92 Shore A	24	7	10	3.5	0.00085	6	19000	1	+0.8 / -0.4	0.15	3	21.3	95	31.5	0.0150
28.99 €	1	4 Days	0.85	M2.5	6	9	4	11	20	yellow	292	9	92 Shore A	24	7	10	3.5	0.00085	6	19000	1	+0.8 / -0.4	0.15	3	21.3	95	31.5	0.0150
28.99 €	1	4 Days	0.85	M2.5	8	8	4	11	20	yellow	292	9	92 Shore A	24	7	10	3.5	0.00085	6	19000	1	+0.8 / -0.4	0.15	3	21.3	95	31.5	0.0150
28.99 €	1	4 Days	0.85	M2.5	8	9	4	11	20	yellow	292	9	92 Shore A	24	7	10	3.5	0.00085	6	19000	1	+0.8 / -0.4	0.15	3	21.3	95	31.5	0.0150
28.99 €	1	4 Days	0.85	M2.5	9	9	4	11	20	yellow	292	9	92 Shore A	24	7	10	3.5	0.00085	6	19000	1	+0.8 / -0.4	0.15	3	21.3	95	31.5	0.0150
28.99 €	1	4 Days	0.85	M2.5	4	4	4	11	20	red	518	9	98 Shore A	24	7	10	3.5	0.00085	10	19000	0.9	+0.8 / -0.4	0.1	5	21.3	155	51.6	0.0150
28.99 €	1	4 Days	0.85	M2.5	6	6	4	11	20	red	518	9	98 Shore A	24	7	10	3.5	0.00085	10	19000	0.9	+0.8 / -0.4	0.1	5	21.3	155	51.6	0.0150
28.99 €	1	4 Days	0.85	M2.5	6	8	4	11	20	red	518	9	98 Shore A	24	7	10	3.5	0.00085	10	19000	0.9	+0.8 / -0.4	0.1	5	21.3	155	51.6	0.0150
28.99 €	1	4 Days	0.85	M2.5	6	9	4	11	20	red	518	9	98 Shore A	24	7	10	3.5	0.00085	10	19000	0.9	+0.8 / -0.4	0.1	5	21.3	155	51.6	0.0150
28.99 €	1	4 Days	0.85	M2.5	8	8	4	11	20	red	518	9	98 Shore A	24	7	10	3.5	0.00085	10	19000	0.9	+0.8 / -0.4	0.1	5	21.3	155	51.6	0.0150
28.99 €	1	4 Days	0.85	M2.5	8	9	4	11	20	red	518	9	98 Shore A	24	7	10	3.5	0.00085	10	19000	0.9	+0.8 / -0.4	0.1	5	21.3	155	51.6	0.0150
28.99 €	1	4 Days	0.85	M2.5	9	9	4	11	20	red	518	9	98 Shore A	24	7	10	3.5	0.00085	10	19000	0.9	+0.8 / -0.4	0.1	5	21.3	155	51.6	0.0150
33.72 €	1	4 Days	2	M3	4	4	4	12	25	blue	274	12	80 Shore A	26	7	12	3.5	0.0022	6	16000	1.1	+0.9 / -0.4	0.2	3	27.2	252	84.3	0.0230
33.72 €	1	4 Days	2	M3	6	6	4	12	25	blue	274	12	80 Shore A	26	7	12	3.5	0.0022	6	16000	1.1	+0.9 / -0.4	0.2	3	27.2	252	84.3	0.0230
33.72 €	1	4 Days	2	M3	6	8	4	12	25	blue	274	12	80 Shore A	26	7	12	3.5	0.0022	6	16000	1.1	+0.9 / -0.4	0.2	3	27.2	252	84.3	0.0230
33.72 €	1	4 Days	2	M3	6	10	4	12	25	blue	274	12	80 Shore A	26	7	12	3.5	0.0022	6	16000	1.1	+0.9 / -0.4	0.2	3	27.2	252	84.3	0.0230
33.72 €	1	4 Days	2	M3	8	8	4	12	25	blue	274	12	80 Shore A	26	7	12	3.5	0.0022	6	16000	1.1	+0.9 / -0.4	0.2	3	27.2	252	84.3	0.0230
33.72 €	1	4 Days	2	M3	8	10	4	12	25	blue	274	12	80 Shore A	26	7	12	3.5	0.0022	6	16000	1.1	+0.9 / -0.4	0.2	3	27.2	252	84.3	0.0230
33.72 €	1	4 Days	2	M3	10	10	4	12	25	blue	274	12	80 Shore A	26	7	12	3.5	0.0022	6	16000	1.1	+0.9 / -0.4	0.2	3	27.2	252	84.3	0.0230
29.59 €	1	4 Days	2	M3	4	4	4	12	25	yellow	470	12	92 Shore A	26	7	12	3.5	0.0022	10	16000	1	+0.9 / -0.4	0.14	5	27.2	482	160.4	0.0230
29.59 €	1	4 Days	2	M3	6	6	4	12	25	yellow	470	12	92 Shore A	26	7	12	3.5	0.0022	10	16000	1	+0.9 / -0.4	0.14	5	27.2	482	160.4	0.0230
29.59 €	1	4 Days	2	M3	6	8	4	12	25	yellow	470	12	92 Shore A	26	7	12	3.5	0.0022	10	16000	1	+0.9 / -0.4	0.14	5	27.2	482	160.4	0.0230
29.59 €	1	4 Days	2	M3	6	10	4	12	25	yellow	470	12	92 Shore A	26	7	12	3.5	0.0022	10	16000	1	+0.9 / -0.4	0.14	5	27.2	482	160.4	0.0230
29.59 €	1	4 Days	2	M3	8	8	4	12	25	yellow	470	12	92 Shore A	26	7	12	3.5	0.0022	10	16000	1	+0.9 / -0.4	0.14	5	27.2	482	160.4	0.0230
29.59 €	1	4 Days	2	M3	8	10	4	12	25	yellow	470	12	92 Shore A	26	7	12	3.5	0.0022	10	16000	1	+0.9 / -0.4	0.14	5	27.2	482	160.4	0.0230
29.59 €	1	4 Days	2	M3	10	10	4	12	25	yellow	470	12	92 Shore A	26	7	12	3.5	0.0022	10	16000	1	+0.9 / -0.4	0.14	5	27.2	482	160.4	0.0230
29.59 €	1	4 Days	2	M3	4	4	4	12	25	red	846	12	98 Shore A	26	7	12	3.5	0.0022	18	16000	0.9	+0.9 / -0.4	0.08	9	27.2	718	240.7	0.0230
29.59 €	1	4 Days	2	M3	6	6	4	12	25	red	846	12	98 Shore A	26	7	12	3.5	0.0022	18	16000	0.9	+0.9 / -0.4	0.08	9	27.2	718	240.7	0.0230
29.59 €	1	4 Days	2	M3	6	8	4	12	25	red	846	12	98 Shore A	26	7	12	3.5	0.0022	18	16000	0.9	+0.9 / -0.4	0.08	9	27.2	718	240.7	0.0230
29.59 €	1	4 Days	2	M3	6	10	4	12	25	red	846	12	98 Shore A	26	7	12	3.5	0.0022	18	16000	0.9	+0.9 / -0.4	0.08	9	27.2	718	240.7	0.0230
29.59 €	1	4 Days	2	M3	8	8	4	12	25	red	846	12	98 Shore A	26	7	12	3.5	0.0022	18	16000	0.9	+0.9 / -0.4	0.08	9	27.2	718	240.7	0.0230
29.59 €	1	4 Days	2	M3	8	10	4	12	25	red	846	12	98 Shore A	26	7	12	3.5	0.0022	18	16000	0.9	+0.9 / -0.4	0.08	9	27.2	718	240.7	0.0230
29.59 €	1	4 Days	2	M3	10	10	4	12	25	red	846	12	98 Shore A	26	7	12	3.5	0.0022	18	16000	0.9	+0.9 / -0.4	0.08	9	27.2	718	240.7	0.0230

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Basic information

Version 1	with radial clamping hub	Item	Elastomer Dog Coupling	Main material	aluminium
Component material	Polyurethane	PL Edelstahl	false	RoHS	true

Configure

195Suggestion of an applicable part number.

View Part Numbers

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The part number is completed.

Basic Attributes

Tightening torque of screws(Nm)
0.43

0.85

2

4.5

15

40

84

145
Clear
C (ISO 4029)
M2

M2.5

M3

M4

M6

M8

M10

M12
Clear
D1 (H7)(mm)
4

5

6

8

9

10

12

14

15

16

18

19

20

24

25

28

32

38

45

50
Clear
D2 (H7)(mm)
4

5

6

8

9

10

12

14

15

16

18

19

20

24

25

28

32

38

45

50
Clear
D1/D2 min.(mm)
3

4

8

10

14

15

20
Clear
D1/D2 max.(mm)
7

11

12

16

21

32

37

48

50

57
Clear
D4(mm)
14

20

25

30

40

55

65

80

95

105
Clear
Component colour
- blue
- red
- yellow
Clear
Spring stiffness radial(N/mm)
114

125

153

219

274

292

336

421

470

518

582

654

840

846

990

1120

1780

1900

2010

2350

2940

3200

4100

4400

4500

5940

6820
Clear
Size
7

9

12

14

19

24

28

38

42

48
Clear
Coupling spider hardness
- 80 Shore A
- 92 Shore A
- 98 Shore A
Clear
L=Length(mm)
18

24

26

32

50

58

62

86

94

110
Clear
L1(mm)
5

7

9.5

17

20

21

31

34

41
Clear
L2(mm)
8

10

12

13

16

18

20

24

26

28
Clear
L3(mm)
2.5

3.5

5

8.5

10

11

15

17.5

23
Clear
Moment of inertia(gm²)
0.00018

0.00085

0.0022

0.0166

0.0311

0.119

0.254

0.828

1.866

3.221
Clear
max. Torque(Nm)
1.4

2.4

3.6

4

6

8

10

12

15

18

24

25

34

42

70

92

120

190

320

380

620

650

830

900

1050
Clear
max. Rotational speed(rpm)
3750

4000

5000

6000

7000

10000

13000

16000

19000

27000
Clear
max. Angular offset (°)
0.9

1

1.1

1.3
Clear
max. Shaft offset axial(mm)
-2.1 / -1

+0.6 / -0.3

+0.8 / -0.4

+0.9 / -0.4

+1 / -0.5

+1.2 / -0.5

+1.4 / -0.5

+1.5 / -0.7

+1.8 / -0.7

+2 / -1

+2.1 / -1
Clear
max. Shaft offset radial(mm)
0.06

0.08

0.09

0.1

0.11

0.12

0.14

0.15

0.16

0.17

0.19

0.2

0.21

0.23
Clear
Nom. torque(Nm)
0.7

1.2

1.8

2

3

4

5

6

7.5

9

12

12.5

17

21

35

46

60

95

160

190

265

310

325

450

525
Clear
R(mm)
16.6

21.3

27.2

30.5

45.7

56.4

72.6

83.3

97.6

105
Clear
Torsional stiffness dynamic(Nm/rad)
26

43

52

69

95

155

180

252

344

482

513

718

1065

1390

1815

2350

2540

5130

6745

8130

9920

12000

20500

21850

22800

37692

49400
Clear
Torsional stiffness static(Nm/rad)
8.6

14.3

17.2

22.9

31.5

51.6

60.2

84.3

114.6

160.4

171.9

240.7

618

860

1090

1370

1512

2300

3700

4080

6410

6525

10870

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